2a200695e4
us a lot on older Alphas. Andrew Gallatin, Thomas V. Crimi, and Peter Jeremy contributed to this work along with the submitter. Submitted by: Andrew M. Miklic <miklic@home.com>
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*
|
|
* Copyright (c) 2000 Andrew Miklic
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _PCI_GFB_H_
|
|
#define _PCI_GFB_H_
|
|
|
|
#define GFB_MEM_BASE_RID 0x10
|
|
|
|
typedef u_int32_t gfb_reg_t;
|
|
|
|
/* GFB register access macros */
|
|
|
|
#define BUFADDR(adp, off) \
|
|
/* (adp)->va_buffer = (adp)->va_mem_base + \
|
|
(((adp)->va_buffer - \
|
|
(adp)->va_mem_base + \
|
|
(adp)->va_buffer_size) % \
|
|
(adp)->va_mem_size), \
|
|
(adp)->va_buffer_alias = ((adp)->va_buffer - \
|
|
(adp)->va_mem_base) / \
|
|
(adp)->va_buffer_size, \
|
|
(adp)->va_window = (adp)->va_buffer + \
|
|
(((adp)->va_window - \
|
|
(adp)->va_mem_base) / \
|
|
(adp)->va_buffer_alias), \
|
|
*/ ((adp)->va_window + (adp)->va_window_orig + \
|
|
((vm_offset_t)(off) << 2L))
|
|
|
|
#define REGADDR(adp, reg) \
|
|
/* (adp)->va_buffer = (adp)->va_mem_base + \
|
|
(((adp)->va_buffer - \
|
|
(adp)->va_mem_base + \
|
|
(adp)->va_buffer_size) % \
|
|
(adp)->va_mem_size), \
|
|
(adp)->va_buffer_alias = ((adp)->va_buffer - \
|
|
(adp)->va_mem_base) / \
|
|
(adp)->va_buffer_size, \
|
|
(adp)->va_registers = (adp)->va_buffer + \
|
|
(((adp)->va_registers - \
|
|
(adp)->va_mem_base) / \
|
|
(adp)->va_buffer_alias), \
|
|
*/ ((adp)->va_registers + ((vm_offset_t)(reg) << 2L))
|
|
|
|
#define READ_GFB_REGISTER(adp, reg) \
|
|
(*(u_int32_t *)(REGADDR(adp, reg)))
|
|
#define WRITE_GFB_REGISTER(adp, reg, val) \
|
|
(*(u_int32_t*)(REGADDR(adp, reg)) = (val))
|
|
#define GFB_REGISTER_WRITE_BARRIER(sc, reg, nregs) \
|
|
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
|
|
4 * (nregs), BUS_SPACE_BARRIER_WRITE)
|
|
#define GFB_REGISTER_READ_BARRIER(sc, reg, nregs) \
|
|
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
|
|
4 * (nregs), BUS_SPACE_BARRIER_READ)
|
|
#define GFB_REGISTER_READWRITE_BARRIER(sc, reg, nregs) \
|
|
bus_space_barrier((sc)->btag, (sc)->regs, ((reg) << 2), \
|
|
4 * (nregs), \
|
|
BUS_SPACE_BARRIER_READ | \
|
|
BUS_SPACE_BARRIER_WRITE)
|
|
|
|
#define READ_GFB_BUFFER(adp, reg) \
|
|
(*(u_int32_t *)(BUFADDR(adp, reg)))
|
|
#define WRITE_GFB_BUFFER(adp, reg, val) \
|
|
(*(u_int32_t*)(BUFADDR(adp, reg)) = (val))
|
|
|
|
/*int pcigfb_probe(device_t);*/
|
|
int pcigfb_attach(device_t);
|
|
int pcigfb_detach(device_t);
|
|
|
|
#ifdef FB_INSTALL_CDEV
|
|
|
|
d_open_t pcigfb_open;
|
|
d_close_t pcigfb_close;
|
|
d_read_t pcigfb_read;
|
|
d_write_t pcigfb_write;
|
|
d_ioctl_t pcigfb_ioctl;
|
|
d_mmap_t pcigfb_mmap;
|
|
|
|
#endif /*FB_INSTALL_CDEV*/
|
|
|
|
typedef struct gfb_type {
|
|
int vendor_id;
|
|
int device_id;
|
|
char* name;
|
|
} *gfb_type_t;
|
|
|
|
#endif /* _PCI_GFB_H_ */
|